karlkonnerth

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  • March 26, 2015 at 7:06 pm in reply to: BulbDial red ring problem #22213
    karlkonnerth
    Participant

    I am somewhat confused by your comments.  The circuit diagram shows pin 15 (not 16) connected to the 68 ohm resistor which connects to control line LED 10.  It shows pin 16 connected to the 24 ohm resistor which goes to control line LED 1.

    March 25, 2015 at 6:47 pm in reply to: BulbDial red ring problem #22211
    karlkonnerth
    Participant

    I checked all of the connections on the LED10 line and they all looked good.  I then re-soldered them to be sure.  Still none of the red LEDs light.

    I don’t have a scope handy at the moment.  If I get one, what should I expect the signal to look like on this line?

    I made the voltage measurements to what I believe is ground using a Fluke 8020A multimeter.

    Any other suggestions?
    Thanks.   Karl

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